Specifications
SKU: 25426
Parameter | Symbol | Min | Typ | Max | Unit | Description |
---|---|---|---|---|---|---|
Input Voltage | VIN | 4.5 | - | 40 | V | Operating input voltage range |
Output Voltage | VOUT | - | 12 | - | V | Fixed output voltage |
Output Current | IOUT | - | 1 | 1.2 | A | Continuous output current |
Efficiency | η | - | 85 | - | % | Typical efficiency at nominal load |
Quiescent Current | IQ | - | 2 | 5 | mA | Quiescent current |
Dropout Voltage | VDROPOUT | - | 1.2 | 2 | V | Dropout voltage at full load |
Load Regulation | ΔVOUT/ΔIOUT | - | 1 | - | mV/A | Change in output voltage per change in output current |
Line Regulation | ΔVOUT/ΔVIN | - | 0.01 | - | %/V | Change in output voltage per change in input voltage |
Ripple Rejection | RR | - | 60 | - | dB | Power supply rejection ratio at 100 Hz |
Operating Temp. | TOPR | -40 | - | 125 | °C | Operating temperature range |
Storage Temp. | TSTG | -65 | - | 150 | °C | Storage temperature range |
Instructions for Use:
Input Connection:
- Connect the positive terminal of the input voltage to the VIN pin.
- Connect the negative terminal of the input voltage to the GND pin.
Output Connection:
- Connect the load to the VOUT pin.
- Ensure the load is within the specified output current range (0 to 1.2A).
Capacitors:
- Place a 10μF ceramic capacitor between VIN and GND close to the device to stabilize the input voltage.
- Place a 10μF ceramic capacitor between VOUT and GND close to the device to stabilize the output voltage.
Thermal Management:
- Ensure adequate heat dissipation if operating at high output currents or in high ambient temperatures.
- Consider using a heatsink if the junction temperature exceeds 125°C.
Power-Up Sequence:
- Apply the input voltage slowly to avoid inrush currents.
- Monitor the output voltage to ensure it stabilizes at the expected 12V.
Storage and Handling:
- Store the device in a dry environment within the specified storage temperature range.
- Handle with care to avoid damage to the pins and the device itself.
Troubleshooting:
- If the output voltage is not stable, check the input voltage and capacitors.
- If the device overheats, ensure proper heat dissipation and reduce the load if necessary.
Inquiry - DAM1MA12